Click on the third or sixth rank to set the en passant target square.

EGTB: win in 4 half-moves

# move score
1 Rf1 win in 3 half-moves
2 Kg2 draw
3 Kh1 draw
4 Kh2 draw
5 Rc1 draw
6 Rd1 draw
7 Re7 draw
8 Kf1 loss in 2 half-moves
9 Kf2 loss in 2 half-moves
10 Ra1 loss in 2 half-moves
11 Rb1 loss in 2 half-moves
12 Re2 loss in 2 half-moves
13 Re3 loss in 2 half-moves
14 Re4 loss in 2 half-moves
15 Re5 loss in 2 half-moves
16 Re6 loss in 2 half-moves
17 Re8 loss in 2 half-moves